₹46,499 Cheap United flights from Seattle to San Diego (SEA→SAN)

You'll discover cheap return United Airlines flights ₹43,660 from SEA to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or look for options from ₹46,499 for a one-way trip.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

United Airlines flights to San Diego are often cheaper in the low-season months of January and November. Whether you're searching for a round-trip or one-way ticket, you could find a better deal then.

Use our "Nonstop" filter when browsing for direct United Airlines flights from SEA to SAN. It's also a good way to compare other carriers servicing the same nonstop trip.

Jump on a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you'll probably land at San Diego Intl. Airport (SAN). This is the airline's primary hub in this city.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For more details about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional costs, apply the "Changes included" and "No cancel fee" filters when planning your next break.